Home / 932,335.12-1,396,809.24-427,316.32

Finding the Fourth Proportional to 932,335.12, 1,396,809.24 and 427,316.32

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Solution

The fourth proportional to 932,335.12, 1,396,809.24 and 427,316.32 is: 640,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,335.12 : 1,396,809.24 = 427,316.32 : x
  2. Step 2: Convert to fraction form
    932,335.12/1,396,809.24 = 427,316.32/x
  3. Step 3: Cross multiply
    932,335.12x = 1,396,809.24 × 427,316.32
  4. Step 4: Simplify right side
    932,335.12x = 596,879,384,178.80
  5. Step 5: Solve for x
    x = 596,879,384,178.80/932,335.12
  6. Step 6: Final answer
    x = 640,198.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.